The arrondissement of Langres is an arrondissement of France in the Haute-Marne department in the Grand Est region. It has 157 communes. Its population is 43,943 (2016), and its area is 2,162.9 km2 (835.1 sq mi).
The communes of the arrondissement of Langres are:
The arrondissement of Langres was created in 1800.As a result of the reorganisation of the cantons of France which came into effect in 2015, the borders of the cantons are no longer related to the borders of the arrondissements. The cantons of the arrondissement of Langres were, as of January 2015: